GB1308870A - Apparatus for producing an electrical signal related to the con centration of a solution - Google Patents

Apparatus for producing an electrical signal related to the con centration of a solution

Info

Publication number
GB1308870A
GB1308870A GB2945471A GB2945471A GB1308870A GB 1308870 A GB1308870 A GB 1308870A GB 2945471 A GB2945471 A GB 2945471A GB 2945471 A GB2945471 A GB 2945471A GB 1308870 A GB1308870 A GB 1308870A
Authority
GB
United Kingdom
Prior art keywords
cells
photo
solution
signal related
june
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2945471A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Original Assignee
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe dOptique Precision Electronique et Mecanique SOPELEM SA filed Critical Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Publication of GB1308870A publication Critical patent/GB1308870A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB2945471A 1970-06-23 1971-06-23 Apparatus for producing an electrical signal related to the con centration of a solution Expired GB1308870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7023157A FR2094486A5 (enExample) 1970-06-23 1970-06-23

Publications (1)

Publication Number Publication Date
GB1308870A true GB1308870A (en) 1973-03-07

Family

ID=9057639

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2945471A Expired GB1308870A (en) 1970-06-23 1971-06-23 Apparatus for producing an electrical signal related to the con centration of a solution

Country Status (5)

Country Link
DE (1) DE2120421C3 (enExample)
ES (1) ES389797A1 (enExample)
FR (1) FR2094486A5 (enExample)
GB (1) GB1308870A (enExample)
NL (1) NL170332C (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500930B1 (fr) * 1980-11-14 1985-12-06 Sopelem Refractometre utilisant la methode de l'angle limite
FR2536537A1 (fr) * 1982-11-22 1984-05-25 Alexandre Laugier Procede et refractometre pour mesurer l'indice de refraction d'un liquide et application a la mesure du titre alcoometrique en puissance d'un mout

Also Published As

Publication number Publication date
ES389797A1 (es) 1973-06-01
DE2120421A1 (de) 1971-12-30
DE2120421B2 (de) 1973-08-16
NL7105765A (enExample) 1971-12-27
NL170332B (nl) 1982-05-17
NL170332C (nl) 1982-10-18
DE2120421C3 (de) 1974-03-28
FR2094486A5 (enExample) 1972-02-04

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee